3012123235042 has 4 divisors (see below), whose sum is σ = 4518184852566. Its totient is φ = 1506061617520.

The previous prime is 3012123235007. The next prime is 3012123235067. The reversal of 3012123235042 is 2405323212103.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2764667727441 + 247455507601 = 1662729^2 + 497449^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3012123235042.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 753030808759 + ... + 753030808762.

Almost surely, 2^{3012123235042} is an apocalyptic number.

3012123235042 is a deficient number, since it is larger than the sum of its proper divisors (1506061617524).

3012123235042 is a wasteful number, since it uses less digits than its factorization.

3012123235042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506061617523.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 3012123235042 its reverse (2405323212103), we get a palindrome (5417446447145).

The spelling of 3012123235042 in words is "three trillion, twelve billion, one hundred twenty-three million, two hundred thirty-five thousand, forty-two".